Successful performance in fire tests of three types of off-the-shelf metal connectors for glue-laminated-timber column-to-beam assemblies will make it easier for designers to get approval for GLT structural systems in buildings up to 85 ft in height, says the Softwood Lumber Board, which sponsored the tests.
The Colorado Dept. of Transportation has selected the Kiewit Meridiam Partners (KMP) to lead a public-private partnership that will design, build and finance a reconstruction of Interstate 70 through Denver.
Structural engineer John V. “Jack” Christiansen, a leader in the design of thin-shell concrete structures, died on Aug. 16 on Bainbridge Island, Wash. He would have turned 90 on Sept. 28.
Thelma Drake, a former Republican U.S. congresswoman from Virginia and former Norfolk assistant public-works director, on Aug. 23 confirmed to Washington, D.C., broadcaster Martin Di Caro that she is a nominee for Federal Transit administrator, according to his tweet.
A section of the international Rhine Valley Railroad started sinking in mid-August as the 10.9-m-dia, 93-m-long bentonite TBM worked a few meters below ground in soil that had been supposedly stabilized by freezing.
While expected to favor fossil fuels, the relatively neutral study embraces the generally accepted fact that natural gas is forcing coal and nuclear plant retirements.